<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .box1{
      /* padding: 10px 20px; */
      background-color: red;
      border: 20px solid yellow;
    }
  </style>
</head>
<body>
  
  <span class="box1">
    aaaaa
  </span>
  <span >
    bbbbb
  </span>
  <div>1111</div>
</body>
</html>